Fix rotation in RegularPolyCollection

mdboom · mdboom · commit d1acaf2c731b · 2014-09-27T12:55:47.000-04:00
diff --git a/lib/matplotlib/collections.py b/lib/matplotlib/collections.py
@@ -927,6 +927,15 @@ def get_numsides(self):
     def get_rotation(self):
         return self._rotation
 
+    @allow_rasterization
+    def draw(self, renderer):
+        self.set_sizes(self._sizes, self.figure.dpi)
+        self._transforms = [
+            transforms.Affine2D(x).rotate(-self._rotation).get_matrix()
+            for x in self._transforms
+        ]
+        Collection.draw(self, renderer)
+
 
 class StarPolygonCollection(RegularPolyCollection):
     """
